1.pressure gauge Case Materials:Steeland Stainless Steel. 2.Dial size: 1.5 , ... 3,3.5,4,6 inch 3.Mounting: NPT. ZG1 Pressure Gauge our gauges widely used in oil industry, medical industry, food ... , BAR, MPa, kPa, kg/cm2, dual scales are availableCase Materials: Plastic, ABS, Steel, and Stainless Steel. 2.Dial size: 1.5 ... , M20x1.5. BSP. BSPT 4.Mounting connection: bottom and back -Pressure